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Clementine-audio-player-Mac.../src/core/mpris2.cpp

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/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mpris2.h"
#include <algorithm>
#include "config.h"
#include "mpris_common.h"
#include "mpris1.h"
#include "core/application.h"
#include "core/logging.h"
#include "core/mpris2_player.h"
#include "core/mpris2_playlists.h"
#include "core/mpris2_root.h"
#include "core/mpris2_tracklist.h"
#include "core/player.h"
#include "core/timeconstants.h"
#include "covers/currentartloader.h"
#include "engines/enginebase.h"
#include "playlist/playlist.h"
#include "playlist/playlistmanager.h"
#include "playlist/playlistsequence.h"
#include "ui/mainwindow.h"
#include <QApplication>
#include <QDBusConnection>
#include <QtConcurrentRun>
QDBusArgument& operator<< (QDBusArgument& arg, const MprisPlaylist& playlist) {
arg.beginStructure();
arg << playlist.id << playlist.name << playlist.icon;
arg.endStructure();
return arg;
}
const QDBusArgument& operator>> (
const QDBusArgument& arg, MprisPlaylist& playlist) {
arg.beginStructure();
arg >> playlist.id >> playlist.name >> playlist.icon;
arg.endStructure();
return arg;
}
QDBusArgument& operator<< (QDBusArgument& arg, const MaybePlaylist& playlist) {
arg.beginStructure();
arg << playlist.valid;
arg << playlist.playlist;
arg.endStructure();
return arg;
}
const QDBusArgument& operator>> (
const QDBusArgument& arg, MaybePlaylist& playlist) {
arg.beginStructure();
arg >> playlist.valid >> playlist.playlist;
arg.endStructure();
return arg;
}
namespace mpris {
const char* Mpris2::kMprisObjectPath = "/org/mpris/MediaPlayer2";
const char* Mpris2::kServiceName = "org.mpris.MediaPlayer2.clementine";
const char* Mpris2::kFreedesktopPath = "org.freedesktop.DBus.Properties";
Mpris2::Mpris2(Application* app, Mpris1* mpris1, QObject* parent)
: QObject(parent),
app_(app),
mpris1_(mpris1)
{
new Mpris2Root(this);
new Mpris2TrackList(this);
new Mpris2Player(this);
new Mpris2Playlists(this);
if (!QDBusConnection::sessionBus().registerService(kServiceName)) {
qLog(Warning) << "Failed to register" << QString(kServiceName) << "on the session bus";
return;
}
QDBusConnection::sessionBus().registerObject(kMprisObjectPath, this);
connect(app_->current_art_loader(), SIGNAL(ArtLoaded(Song,QString,QImage)), SLOT(ArtLoaded(Song,QString)));
connect(app_->player()->engine(), SIGNAL(StateChanged(Engine::State)), SLOT(EngineStateChanged(Engine::State)));
connect(app_->player(), SIGNAL(VolumeChanged(int)), SLOT(VolumeChanged()));
connect(app_->player(), SIGNAL(Seeked(qlonglong)), SIGNAL(Seeked(qlonglong)));
connect(app_->playlist_manager(), SIGNAL(PlaylistManagerInitialized()), SLOT(PlaylistManagerInitialized()));
connect(app_->playlist_manager(), SIGNAL(CurrentSongChanged(Song)), SLOT(CurrentSongChanged(Song)));
connect(app_->playlist_manager(), SIGNAL(PlaylistChanged(Playlist*)), SLOT(PlaylistChanged()));
}
// when PlaylistManager gets it ready, we connect PlaylistSequence with this
void Mpris2::PlaylistManagerInitialized() {
connect(app_->playlist_manager()->sequence(), SIGNAL(ShuffleModeChanged(PlaylistSequence::ShuffleMode)),
SLOT(ShuffleModeChanged()));
connect(app_->playlist_manager()->sequence(), SIGNAL(RepeatModeChanged(PlaylistSequence::RepeatMode)),
SLOT(RepeatModeChanged()));
}
void Mpris2::EngineStateChanged(Engine::State newState) {
if(newState != Engine::Playing && newState != Engine::Paused) {
last_metadata_= QVariantMap();
EmitNotification("Metadata");
}
EmitNotification("PlaybackStatus", PlaybackStatus(newState));
}
void Mpris2::VolumeChanged() {
EmitNotification("Volume");
}
void Mpris2::ShuffleModeChanged() {
EmitNotification("Shuffle");
}
void Mpris2::RepeatModeChanged() {
EmitNotification("LoopStatus");
}
void Mpris2::EmitNotification(const QString& name, const QVariant& val) {
QDBusMessage msg = QDBusMessage::createSignal(
kMprisObjectPath, kFreedesktopPath, "PropertiesChanged");
QVariantMap map;
map.insert(name, val);
QVariantList args = QVariantList()
<< "org.mpris.MediaPlayer2.Player"
<< map
<< QStringList();
msg.setArguments(args);
QDBusConnection::sessionBus().send(msg);
}
void Mpris2::EmitNotification(const QString& name) {
QVariant value;
if (name == "PlaybackStatus") value = PlaybackStatus();
else if (name == "LoopStatus") value = LoopStatus();
else if (name == "Shuffle") value = Shuffle();
else if (name == "Metadata") value = Metadata();
else if (name == "Volume") value = Volume();
else if (name == "Position") value = Position();
if (value.isValid())
EmitNotification(name, value);
}
//------------------Root Interface--------------------------//
bool Mpris2::CanQuit() const {
return true;
}
bool Mpris2::CanRaise() const {
return true;
}
bool Mpris2::HasTrackList() const {
return true;
}
QString Mpris2::Identity() const {
return QCoreApplication::applicationName();
}
QString Mpris2::DesktopEntryAbsolutePath() const {
QStringList xdg_data_dirs = QString(getenv("XDG_DATA_DIRS")).split(":");
xdg_data_dirs.append("/usr/local/share/");
xdg_data_dirs.append("/usr/share/");
foreach (const QString& directory, xdg_data_dirs) {
QString path = QString("%1/applications/%2.desktop").
arg(directory, QApplication::applicationName().toLower());
if (QFile::exists(path))
return path;
}
return QString();
}
QString Mpris2::DesktopEntry() const {
return QApplication::applicationName().toLower();
}
QStringList Mpris2::SupportedUriSchemes() const {
static QStringList res = QStringList()
<< "file"
<< "http"
<< "cdda"
<< "smb"
<< "sftp";
return res;
}
QStringList Mpris2::SupportedMimeTypes() const {
static QStringList res = QStringList()
<< "application/ogg"
<< "application/x-ogg"
<< "application/x-ogm-audio"
<< "audio/aac"
<< "audio/mp4"
<< "audio/mpeg"
<< "audio/mpegurl"
<< "audio/ogg"
<< "audio/vnd.rn-realaudio"
<< "audio/vorbis"
<< "audio/x-flac"
<< "audio/x-mp3"
<< "audio/x-mpeg"
<< "audio/x-mpegurl"
<< "audio/x-ms-wma"
<< "audio/x-musepack"
<< "audio/x-oggflac"
<< "audio/x-pn-realaudio"
<< "audio/x-scpls"
<< "audio/x-speex"
<< "audio/x-vorbis"
<< "audio/x-vorbis+ogg"
<< "audio/x-wav"
<< "video/x-ms-asf"
<< "x-content/audio-player";
return res;
}
void Mpris2::Raise() {
emit RaiseMainWindow();
}
void Mpris2::Quit() {
qApp->quit();
}
QString Mpris2::PlaybackStatus() const {
return PlaybackStatus(app_->player()->GetState());
}
QString Mpris2::PlaybackStatus(Engine::State state) const {
switch (state) {
case Engine::Playing: return "Playing";
case Engine::Paused: return "Paused";
default: return "Stopped";
}
}
QString Mpris2::LoopStatus() const {
if (!app_->playlist_manager()->sequence()) {
return "None";
}
switch (app_->playlist_manager()->sequence()->repeat_mode()) {
case PlaylistSequence::Repeat_Album:
case PlaylistSequence::Repeat_Playlist: return "Playlist";
case PlaylistSequence::Repeat_Track: return "Track";
default: return "None";
}
}
void Mpris2::SetLoopStatus(const QString& value) {
PlaylistSequence::RepeatMode mode = PlaylistSequence::Repeat_Off;
if (value == "None") {
mode = PlaylistSequence::Repeat_Off;
} else if (value == "Track") {
mode = PlaylistSequence::Repeat_Track;
} else if (value == "Playlist") {
mode = PlaylistSequence::Repeat_Playlist;
}
app_->playlist_manager()->active()->sequence()->SetRepeatMode(mode);
}
double Mpris2::Rate() const {
return 1.0;
}
void Mpris2::SetRate(double rate) {
if(rate == 0) {
if (mpris1_->player()) {
mpris1_->player()->Pause();
}
}
}
bool Mpris2::Shuffle() const {
if (mpris1_->player()) {
return mpris1_->player()->GetStatus().random;
} else {
return false;
}
}
void Mpris2::SetShuffle(bool value) {
if (mpris1_->tracklist()) {
mpris1_->tracklist()->SetRandom(value);
}
}
QVariantMap Mpris2::Metadata() const {
return last_metadata_;
}
QString Mpris2::current_track_id() const {
if (!mpris1_->tracklist()) {
return QString();
}
return QString("/org/mpris/MediaPlayer2/Track/%1").arg(
QString::number(mpris1_->tracklist()->GetCurrentTrack()));
}
// We send Metadata change notification as soon as the process of
// changing song starts...
void Mpris2::CurrentSongChanged(const Song& song) {
ArtLoaded(song, "");
}
// ... and we add the cover information later, when it's available.
void Mpris2::ArtLoaded(const Song& song, const QString& art_uri) {
last_metadata_ = QVariantMap();
song.ToXesam(&last_metadata_);
using mpris::AddMetadata;
AddMetadata("mpris:trackid", current_track_id(), &last_metadata_);
if (song.rating() != -1.0) {
AddMetadata("rating", song.rating() * 5, &last_metadata_);
}
if (!art_uri.isEmpty()) {
AddMetadata("mpris:artUrl", art_uri, &last_metadata_);
}
EmitNotification("Metadata", last_metadata_);
}
double Mpris2::Volume() const {
if (mpris1_->player()) {
return double(mpris1_->player()->VolumeGet()) / 100;
} else {
return 0.0;
}
}
void Mpris2::SetVolume(double value) {
app_->player()->SetVolume(value * 100);
}
qlonglong Mpris2::Position() const {
return app_->player()->engine()->position_nanosec() / kNsecPerUsec;
}
double Mpris2::MaximumRate() const {
return 1.0;
}
double Mpris2::MinimumRate() const {
return 1.0;
}
bool Mpris2::CanGoNext() const {
if (mpris1_->player()) {
return mpris1_->player()->GetCaps() & CAN_GO_NEXT;
} else {
return true;
}
}
bool Mpris2::CanGoPrevious() const {
if (mpris1_->player()) {
return mpris1_->player()->GetCaps() & CAN_GO_PREV;
} else {
return true;
}
}
bool Mpris2::CanPlay() const {
return mpris1_->player()->GetCaps() & CAN_PLAY;
}
// This one's a bit different than MPRIS 1 - we want this to be true even when
// the song is already paused or stopped.
bool Mpris2::CanPause() const {
if (mpris1_->player()) {
return mpris1_->player()->GetCaps() & CAN_PAUSE
|| PlaybackStatus() == "Paused"
|| PlaybackStatus() == "Stopped";
} else {
return true;
}
}
bool Mpris2::CanSeek() const {
if (mpris1_->player()) {
return mpris1_->player()->GetCaps() & CAN_SEEK;
} else {
return true;
}
}
bool Mpris2::CanControl() const {
return true;
}
void Mpris2::Next() {
if(CanGoNext()) {
app_->player()->Next();
}
}
void Mpris2::Previous() {
if(CanGoPrevious()) {
app_->player()->Previous();
}
}
void Mpris2::Pause() {
if(CanPause() && app_->player()->GetState() != Engine::Paused) {
app_->player()->Pause();
}
}
void Mpris2::PlayPause() {
if (CanPause()) {
app_->player()->PlayPause();
}
}
void Mpris2::Stop() {
app_->player()->Stop();
}
void Mpris2::Play() {
if(CanPlay()) {
app_->player()->Play();
}
}
void Mpris2::Seek(qlonglong offset) {
if(CanSeek()) {
app_->player()->SeekTo(app_->player()->engine()->position_nanosec() / kNsecPerSec +
offset / kUsecPerSec);
}
}
void Mpris2::SetPosition(const QDBusObjectPath& trackId, qlonglong offset) {
if (CanSeek() && trackId.path() == current_track_id() && offset >= 0) {
offset *= kNsecPerUsec;
if(offset < app_->player()->GetCurrentItem()->Metadata().length_nanosec()) {
app_->player()->SeekTo(offset / kNsecPerSec);
}
}
}
void Mpris2::OpenUri(const QString& uri) {
if (mpris1_->tracklist()) {
mpris1_->tracklist()->AddTrack(uri, true);
}
}
TrackIds Mpris2::Tracks() const {
//TODO
return TrackIds();
}
bool Mpris2::CanEditTracks() const {
return false;
}
TrackMetadata Mpris2::GetTracksMetadata(const TrackIds &tracks) const {
//TODO
return TrackMetadata();
}
void Mpris2::AddTrack(const QString &uri, const QDBusObjectPath &afterTrack, bool setAsCurrent) {
//TODO
}
void Mpris2::RemoveTrack(const QDBusObjectPath &trackId) {
//TODO
}
void Mpris2::GoTo(const QDBusObjectPath &trackId) {
//TODO
}
quint32 Mpris2::PlaylistCount() const {
return app_->playlist_manager()->GetAllPlaylists().size();
}
QStringList Mpris2::Orderings() const {
return QStringList() << "User";
}
namespace {
QDBusObjectPath MakePlaylistPath(int id) {
return QDBusObjectPath(QString(
"/org/mpris/MediaPlayer2/Playlists/%1").arg(id));
}
}
MaybePlaylist Mpris2::ActivePlaylist() const {
MaybePlaylist maybe_playlist;
Playlist* current_playlist = app_->playlist_manager()->current();
maybe_playlist.valid = current_playlist;
if (!current_playlist) {
return maybe_playlist;
}
maybe_playlist.playlist.id = MakePlaylistPath(current_playlist->id());
maybe_playlist.playlist.name =
app_->playlist_manager()->GetPlaylistName(current_playlist->id());
return maybe_playlist;
}
void Mpris2::ActivatePlaylist(const QDBusObjectPath& playlist_id) {
QStringList split_path = playlist_id.path().split('/');
qLog(Debug) << Q_FUNC_INFO << playlist_id.path() << split_path;
if (split_path.isEmpty()) {
return;
}
bool ok = false;
int p = split_path.last().toInt(&ok);
if (!ok) {
return;
}
app_->playlist_manager()->SetActivePlaylist(p);
app_->player()->Next();
}
// TODO: Support sort orders.
MprisPlaylistList Mpris2::GetPlaylists(
quint32 index, quint32 max_count, const QString& order, bool reverse_order) {
MprisPlaylistList ret;
foreach (Playlist* p, app_->playlist_manager()->GetAllPlaylists()) {
MprisPlaylist mpris_playlist;
mpris_playlist.id = MakePlaylistPath(p->id());
mpris_playlist.name = app_->playlist_manager()->GetPlaylistName(p->id());
ret << mpris_playlist;
}
if (reverse_order) {
std::reverse(ret.begin(), ret.end());
}
return ret.mid(index, max_count);
}
void Mpris2::PlaylistChanged(Playlist* playlist) {
MprisPlaylist mpris_playlist;
mpris_playlist.id = MakePlaylistPath(playlist->id());
mpris_playlist.name = app_->playlist_manager()->GetPlaylistName(playlist->id());
emit PlaylistChanged(mpris_playlist);
}
} // namespace mpris
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